The upper suspension arm must be raised slowly. Adjust position of arm as
necessary to center the upper suspension arm bearing cavity under the platform
spindle to make sure that platform spindle does not make contact with bearing
cups or damage to equipment may result.
As two people continue to check and adjust position of upper suspension arm (22) with crowbar (29), third person
must continue to slowly raise overhead lifting device (26) until upper suspension arm (22) raises onto platform
If the platform must be lowered onto bogie to seat the upper suspension arm
bearing, use caution not to apply too much force against the lifting straps and
overhead lifting device. Excess force against the lifting devices used to pull/hold
the upper suspension arm upward can break the straps or strain the lifting device
and injury to personnel and damage to equipment may result.
If necessary, carefully lower platform (para. 2-19), as required, to facilitate final seating of upper bearing within
Remove spanner nut (3) from spindle (6).